From a5c4b9d3ca72a89ff8911f77ed6f469c1cf5d321 Mon Sep 17 00:00:00 2001
From: q66 <daniel@octaforge.org>
Date: Sat, 7 May 2016 17:25:40 +0100
Subject: [PATCH] global concat op for strings

---
 ostd/string.hh | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/ostd/string.hh b/ostd/string.hh
index 605f222..c3bbcb1 100644
--- a/ostd/string.hh
+++ b/ostd/string.hh
@@ -908,6 +908,28 @@ String to_string(std::initializer_list<T> init) {
     return to_string(iter(init));
 }
 
+/* TODO: rvalue ref versions for rhs when we have efficient prepend */
+
+inline String operator+(ConstCharRange lhs, ConstCharRange rhs) {
+    String ret(lhs); ret += rhs; return ret;
+}
+
+inline String operator+(String &&lhs, ConstCharRange rhs) {
+    String ret(move(lhs)); ret += rhs; return ret;
+}
+
+inline String operator+(ConstCharRange lhs, char rhs) {
+    String ret(lhs); ret += rhs; return ret;
+}
+
+inline String operator+(String &&lhs, char rhs) {
+    String ret(move(lhs)); ret += rhs; return ret;
+}
+
+inline String operator+(char lhs, ConstCharRange rhs) {
+    String ret(lhs); ret += rhs; return ret;
+}
+
 template<typename R>
 struct TempCString {
 private: